CN216519619U - Anti-blocking self-cleaning stop valve - Google Patents
Anti-blocking self-cleaning stop valve Download PDFInfo
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- CN216519619U CN216519619U CN202122946533.7U CN202122946533U CN216519619U CN 216519619 U CN216519619 U CN 216519619U CN 202122946533 U CN202122946533 U CN 202122946533U CN 216519619 U CN216519619 U CN 216519619U
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Abstract
An anti-blocking self-cleaning stop valve comprises a valve body, a water inlet connector arranged on the left side of the valve body and a water outlet connector arranged on the right side of the valve body, wherein a partition plate is arranged in the valve body and divides the inner space of the valve body into a water inlet cavity communicated with the water inlet connector and a water outlet cavity communicated with the water outlet connector; a rotating seat matched with the threaded hole is screwed in the threaded hole; the center of the upper surface of the rotating seat is provided with a rotating groove. The anti-blocking self-cleaning stop valve can automatically clean the inner wall of the opening and closing hole when the stop valve is opened, and effectively avoids the situation of blocking and water leakage caused by continuous accumulation of impurities on the inner wall of the opening and closing hole.
Description
Technical Field
The utility model relates to a stop valve, in particular to an anti-blocking self-cleaning stop valve.
Background
The stop valve is a valve which is controlled to be opened and closed by a valve clack, a partition plate is arranged in a valve body of the stop valve, an opening hole and a closing hole are formed in the center of the partition plate, a water inlet connector and a water outlet connector of the stop valve are communicated through the opening hole, when the stop valve is closed, the valve clack is tightly pressed on the upper surface of the partition plate under the action of pressure, and therefore an orifice at the upper end of the opening hole is shielded and sealed through surface sealing, and the water inlet connector and the water outlet connector cannot be communicated.
In the actual use process of the stop valve, the water flow conveyed by the stop valve is not filtered water flow, so that impurities inevitably exist in the water flow, the impurities can continuously flow through the opening and closing hole along with the water flow, part of the impurities can directly adhere to the inner wall of the opening and closing hole when flowing through the opening and closing hole, the impurities can be accumulated along with the long-term adhesion of the impurities, the actual diameter of the opening and closing hole is directly reduced, the water flow is influenced, even blockage can be caused in serious cases, and along with the continuous accumulation of the impurities, part of the impurities can directly appear on the upper surface of the partition plate through the opening and closing hole upper end orifice, the stop valve is sealed by the surface between the valve clack on the lower surface and the upper surface of the partition plate, the impurities existing on the upper surface of the partition plate can cause that the valve clack pressed downwards cannot be tightly adhered to the upper surface of the partition plate, and finally, if the impurities on the inner wall of the opening and closing hole are required to be cleaned, then need with the whole dismantlement of stop valve, and before dismantling the stop valve is whole, need dismantle out in the pipe-line system with the stop valve, lead to clean process very troublesome, clean efficiency is extremely low.
Disclosure of Invention
The utility model aims to solve the technical problem of providing an anti-blocking self-cleaning stop valve, which can automatically clean the inner wall of an opening and closing hole when the stop valve is opened, and effectively avoid the situations of blocking and water leakage caused by continuous accumulation of impurities on the inner wall of the opening and closing hole.
The technical scheme adopted by the utility model for solving the technical problems is as follows:
the utility model discloses an anti-blocking self-cleaning stop valve, which comprises a valve body, a water inlet joint arranged on the left side of the valve body and a water outlet joint arranged on the right side of the valve body, wherein a partition plate is arranged in the valve body, the partition plate divides the internal space of the valve body into a water inlet cavity communicated with the water inlet joint and a water outlet cavity communicated with the water outlet joint, an opening hole and a closing hole are arranged in the center of the partition plate, a valve clack positioned above the partition plate is arranged in the water outlet cavity, a valve rod is arranged in the center of the upper surface of the valve clack, and the upper end of the valve rod upwards penetrates out of the valve body and is provided with a hand wheel, and the anti-blocking self-cleaning stop valve is characterized in that: the lower surface of the valve body is provided with a threaded hole communicated with the water inlet cavity, and the threaded hole is coaxial with the opening and closing hole; a rotating seat matched with the threaded hole is screwed in the threaded hole; a rotary groove is formed in the center of the upper surface of the rotary seat; the center of the lower surface of the rotating seat is provided with a rotating hole communicated with the rotating groove, and the diameter of the rotating hole is smaller than that of the rotating groove; a rotating rod coaxial with the rotating groove is arranged in the water inlet cavity; the lower end of the rotating rod sequentially penetrates through the rotating groove and the rotating hole downwards and is provided with a lower limiting head which is attached to the lower surface of the rotating seat; a limiting plate positioned in the rotating groove is arranged on the rotating rod; a bearing sleeved outside the rotating rod is arranged between the limiting plate and the bottom of the rotating groove; a rubber sleeve positioned above the limiting plate is arranged in the rotating groove; the outer wall of the rubber sleeve is provided with an annular embedding part; an embedding groove matched with the embedding part is formed in the inner wall of the notch at the upper end of the rotating groove; the upper end of the rotating rod penetrates upwards into the opening and closing hole and is provided with a fixed sleeve; the outer wall of the fixed sleeve is provided with a plurality of rotating arms which are uniformly distributed in the circumferential direction, and the outer ends of the rotating arms are provided with scraping blades which are contacted with the inner wall of the opening and closing hole; the outer wall of the rotating rod is provided with a spiral drainage groove.
A clamping seat is arranged outside the upper part of the rotating rod; the fixed sleeve is sleeved outside the rotating rod and is positioned right above the clamping seat; an upper limiting head which is attached to the upper end face of the fixing sleeve is arranged above the rotating rod; an upper screw hole is formed in the center of the upper end face of the rotating rod; the center of the lower surface of the upper limiting head is provided with an upper screw joint which is in screw connection with the upper screw hole; the upper limiting head presses the fixed sleeve tightly on the upper surface of the clamping seat.
The outer wall of the lower part of the clamping seat is provided with a conical surface which is wide at the top and narrow at the bottom.
The lower surface of the valve clack is provided with an annular sealing ring, the sealing ring encloses the orifice at the upper end of the opening and closing hole, and the lower end surface of the sealing ring is attached to the upper surface of the partition plate; the upper end of the scraping piece penetrates out of the orifice at the upper end of the opening and closing hole upwards, and the lower end of the scraping piece penetrates out of the orifice at the lower end of the opening and closing hole downwards.
And a sealing sleeve matched with the sealing ring is sleeved outside the sealing ring, and the sealing sleeve is made of rubber.
The upper surface of the rubber sleeve is provided with an annular outer supporting groove which is wide at the top and narrow at the bottom; a supporting piece matched with the outer supporting groove is arranged in the outer supporting groove; the upper end surface of the supporting piece is provided with an annular water inlet groove which is wide at the upper part and narrow at the lower part; the inner wall of the water inlet tank is provided with a plurality of water through holes which are uniformly distributed, and the water inlet tank is communicated with the outer supporting tank through the water through holes.
And a positioning plate which is attached to the lower surface of the valve body extends outwards from the outer edge of the lower end of the rotating seat.
A lower screw hole is formed in the center of the lower end face of the rotating rod; and the center of the upper surface of the lower limiting head is provided with a lower screw joint which is in screw connection with the lower screw hole.
The utility model has the beneficial effects that:
compared with the prior art, the anti-blocking self-cleaning stop valve adopting the structure of the utility model can guide flowing water to flow along the spiral track of the drainage groove on the outer wall of the rotating rod after the stop valve is opened by the valve clack, finally form vortex at the position of the opening and closing hole, then utilize the water flow thrust of the vortex to enable the scraping blade to rotate, and the scraping blade can continuously rub the inner wall of the opening and closing hole contacted with the scraping blade in the rotating process, in the rubbing process, impurities on the inner wall of the opening and closing hole are directly scraped off by the scraping blade, thereby realizing the automatic cleaning effect, effectively avoiding the situation that the impurities on the inner wall of the opening and closing hole are continuously adhered and accumulated to influence the water flow and cause blockage, further avoiding the situation that the impurities accumulated on the inner wall of the opening and closing hole appear on the upper surface of the partition plate to influence the sealing effect of the valve clack, and avoiding the whole cleaning process of disassembling the whole stop valve after the stop valve is disassembled from a pipeline system, the opening and closing holes can be cleaned, a large number of troubles are reduced, and cleaning efficiency is effectively improved.
Drawings
FIG. 1 is a schematic structural diagram of the anti-clogging self-cleaning stop valve of the present invention;
FIG. 2 is an enlarged view of section A of FIG. 1;
fig. 3 is an enlarged view of a portion B of fig. 2.
Detailed Description
The utility model is described in further detail below with reference to the following figures and detailed description:
referring to fig. 1 to 3, the utility model provides an anti-clogging self-cleaning stop valve, which comprises a valve body 1, a water inlet connector 2 arranged on the left side of the valve body 1 and a water outlet connector 3 arranged on the right side of the valve body 1, wherein a partition plate 4 is arranged in the valve body 1, the partition plate 4 divides the internal space of the valve body into a water inlet cavity 5 communicated with the water inlet connector 2 and a water outlet cavity 6 communicated with the water outlet connector 3, an opening and closing hole 7 is arranged in the center of the partition plate 4, a valve clack 8 positioned above the partition plate 4 is arranged in the water outlet cavity 6, a valve rod 9 is arranged in the center of the upper surface of the valve clack 8, the upper end of the valve rod 9 penetrates out of the valve body 1 upwards and is provided with a hand wheel 10, a threaded hole 11 communicated with the water inlet cavity 5 is arranged on the lower surface of the valve body 1, and the threaded hole 11 is coaxial with the opening and closing hole 7; a rotating seat 12 matched with the threaded hole 11 is screwed in the threaded hole; a rotary groove 13 is formed in the center of the upper surface of the rotary seat 12; a rotating hole 14 communicated with the rotating groove 13 is formed in the center of the lower surface of the rotating seat 12, and the diameter of the rotating hole 14 is smaller than that of the rotating groove 13; a rotating rod 15 which is coaxial with the rotating groove 13 is arranged in the water inlet cavity 5; the lower end of the rotating rod 15 downwards penetrates through the rotating groove 13 and the rotating hole 14 in sequence and is provided with a lower limiting head 16 which is attached to the lower surface of the rotating seat 12; a limiting plate 17 positioned in the rotating groove 13 is arranged on the rotating rod 15; a bearing 18 sleeved outside the rotating rod 15 is arranged between the limiting plate 17 and the bottom of the rotating groove 13; a rubber sleeve 19 positioned above the limit plate 17 is arranged in the rotary groove 13; the outer wall of the rubber sleeve 19 is provided with an annular embedded part 20; an embedded groove 21 matched with the embedded part 20 is formed in the inner wall of the notch at the upper end of the rotating groove 13; the upper end of the rotating rod 15 upwards penetrates into the opening and closing hole 7 and is provided with a fixed sleeve 22; the outer wall of the fixed sleeve 22 is provided with a plurality of rotating arms 23 which are uniformly distributed in the circumferential direction, and the outer ends of the rotating arms 23 are provided with scraping blades 24 which are contacted with the inner wall of the opening and closing hole 7; the outer wall of the rotating rod 15 is provided with a spiral drainage groove 25.
A clamping seat 26 is arranged outside the upper part of the rotating rod 15; the fixing sleeve 22 is sleeved outside the rotating rod 15, and the fixing sleeve 22 is positioned right above the clamping seat 26; an upper limiting head 27 attached to the upper end face of the fixing sleeve 22 is arranged above the rotating rod 15; an upper screw hole 28 is formed in the center of the upper end face of the rotating rod 15; the center of the lower surface of the upper limiting head 27 is provided with an upper screw joint 29 which is in screw connection with the upper screw hole 28; the upper head 27 presses the pouch 22 against the upper surface of the seat 26.
The outer wall of the lower part of the clamping seat 26 is provided with a conical surface 30 which is wide at the top and narrow at the bottom.
The lower surface of the valve clack 8 is provided with an annular sealing ring 31, the sealing ring 31 encloses the orifice at the upper end of the opening and closing hole 7, and the lower end surface of the sealing ring 31 is attached to the upper surface of the partition plate 4; the upper end of the scraping blade 24 penetrates out of the orifice at the upper end of the opening and closing hole 7 upwards, and the lower end of the scraping blade 24 penetrates out of the orifice at the lower end of the opening and closing hole 7 downwards.
A sealing sleeve 32 matched with the sealing ring 31 is sleeved outside the sealing ring 31, and the sealing sleeve 32 is made of rubber.
The upper surface of the rubber sleeve 19 is provided with an annular outer supporting groove 33, and the outer supporting groove 33 is wide at the upper part and narrow at the lower part; a supporting piece 34 matched with the outer supporting groove 33 is arranged in the outer supporting groove; the upper end surface of the supporting piece 34 is provided with an annular water inlet groove 35, and the water inlet groove 35 is wide at the upper part and narrow at the lower part; a plurality of water through holes 36 are uniformly distributed on the inner wall of the water inlet groove 35, and the water inlet groove 35 is communicated with the outer supporting groove 33 through the water through holes 36.
A positioning plate 37 attached to the lower surface of the valve body 1 extends outwards from the outer edge of the lower end of the rotary seat 12.
A lower screw hole 38 is formed in the center of the lower end face of the rotating rod 15; the center of the upper surface of the lower limiting head 16 is provided with a lower screw joint 39 which is in screw connection with the lower screw hole 38.
The using method of the utility model is as follows:
when the stop valve needs to be opened, valve rod 9 is rotated by hand wheel 10, thereby it shifts up to drive valve clack 8 through valve rod 9, when valve clack 8 shifts up, valve clack 8 no longer will open obturator 7 and shield sealedly, intake antrum 5 and play water cavity 6 link up this moment, the inlet channel who is connected with water supply connector 2 just can enter into to intake antrum 5 through water supply connector 2, then the rethread opens obturator 7 and gets into to play water cavity 6 in, when the flow is opened obturator 7 in, clearance between rivers accessible swinging boom 23 is through opening obturator 7, the existence of swinging boom 23 can not influence rivers and normally through opening obturator 7, after rivers enter into intake antrum 5, rivers then can flow into to the outlet channel who is connected with water connector 3 through water connector 3, for use.
When water flow in the water inlet cavity 5 flows to the water outlet cavity through the opening hole 7, an upward water flow track is formed, the rotating rod 15 is coaxial with the opening hole 7, the outer wall of the rotating rod 15 is provided with a drainage groove 25 which is spirally extended from bottom to top, a part of water flow inevitably spirally flows upwards along the track of the drainage groove 25, and finally, a rotating vortex is formed at the upper end of the rotating rod 15 along with the continuous upward spiral flow of the subsequent water flow, the rotating arm 23 and the scraping blade 24 are circumferentially and uniformly distributed outside the upper end of the rotating rod 15, under the driving of the vortex, the rotating arm 23 and the scraping blade 24 rotate along with the rotating groove, the rotating arm 23 is fixed at the upper end of the rotating rod 15 through the fixing sleeve 22, when the rotating arm 23 rotates, the rotating rod 15 rotates along with the rotating groove, and the lower limiting head 16 at the lower end of the rotating rod 15 is only attached to the lower surface of the rotating base 12, lower spacing head 16 is not in by fixed state, therefore the rotary rod 15 can be smoothly rotatory, and the rotary rod 15 overcoat have rather than assorted bearing 18, under the effect of bearing 18, the smoothness nature when rotary rod 15 is rotatory can further improve, thereby guarantee the smoothness nature when doctor-bar 24 is rotatory in the at utmost, when doctor-bar 24 takes place rotatoryly, doctor-bar 24 with opening and close the contact of hole 7 inner wall then can directly scrape the adhesion and fall opening the impurity on the hole 7 inner wall of the obturator, realize self-cleaning's effect, thereby effectively avoid the impurity adhesion in the condition of opening on the hole 7 inner wall of the obturator.
In conclusion, after the stop valve is opened by the valve flap, the stop valve can guide flowing water to flow along the spiral track of the drainage groove 25 on the outer wall of the rotating rod 15, finally a vortex is formed at the position of the opening and closing hole 7, then the scraping blade 24 is rotated by using the water flow thrust of the vortex, and the scraping blade 24 can continuously rub the inner wall of the opening and closing hole 7 which is in contact with the scraping blade 24 in the rotating process, so that impurities on the inner wall of the opening and closing hole 7 are directly scraped off by the scraping blade 24 in the rubbing process, the automatic cleaning effect is realized, the conditions that the water flow is influenced and the blockage is caused by the continuous adhesion and accumulation of the impurities on the inner wall of the opening and closing hole 7 are effectively avoided, the condition that the sealing effect of the valve flap is influenced by the impurities on the upper surface of the inner wall of the opening and closing hole 7 can be avoided, and the whole cleaning process does not need to disassemble the stop valve after the stop valve is disassembled from a pipeline system, the opening and closing hole 7 can be cleaned, a large number of troubles are reduced, and the cleaning efficiency is effectively improved.
A clamping seat 26 is arranged outside the upper part of the rotating rod 15, the fixing sleeve 22 is sleeved outside the rotating rod 15, the fixing sleeve 22 is positioned right above the clamping seat 26, and an upper limiting head 27 attached to the upper end face of the fixing sleeve 22 is arranged above the rotating rod 15; the center of the upper end face of the rotating rod 15 is provided with an upper screw hole 28, the center of the lower surface of the upper limiting head 27 is provided with an upper screw joint 29 screwed with the upper screw hole 28, the upper limiting head 27 tightly presses the fixing sleeve 22 on the upper surface of the clamping seat 26, the fixing mode is favorable for the disassembly and assembly of the fixing sleeve 22, so that the scraping blade 24 can be conveniently replaced, and the fixing sleeve 22 can be upwards taken out from the upper end of the rotating rod 15 only by screwing the upper screw joint 29 out from the upper screw hole 28 through the upper limiting head 27.
The outer wall of the lower part of the clamping seat 26 is provided with a conical surface 30 which is wide at the upper part and narrow at the lower part, the conical surface 30 is just positioned above the drainage groove 25, when water flow finally forms vortex above the drainage groove 25 along a spiral track, the conical surface can further guide the water flow of the vortex, the vortex is further diffused outwards when going upwards, thereby the influence of the vortex on the scraping blade is increased, the scraping blade 24 is more easily rotated under the action of the vortex, the smoothness of the scraping blade 24 when cleaning impurities on the inner wall of the opening hole 7 is improved, and the resistance of the conical surface 30 when the water flow flows can be effectively reduced.
The lower surface of the valve clack 8 is provided with an annular sealing ring 31, the sealing ring 31 is used for closing the orifice at the upper end of the opening and closing hole 7, the lower end surface of the sealing ring 31 is attached to the upper surface of the partition plate 4, the existence of the sealing ring 31 can enable the interval between the lower surface of the valve clack 8 and the upper surface of the partition plate 4, thereby ensuring that the upper end of the doctor blade 24 upwards penetrates out of the orifice at the upper end of the opening and closing hole 7, meanwhile, the lower end of the doctor blade 24 downwards penetrates out of the orifice at the lower end of the opening and closing hole 7, thereby ensuring that the length of the doctor blade 24 is greater than the length of the opening and closing hole 7, enabling the doctor blade 24 to rotate for one circle and contact with each part of the inner wall of the opening and closing hole 7, thereby cleaning the inner wall of the opening and closing hole 7 without dead angles, ensuring the cleaning effect and the cleaning quality, and ensuring that the valve clack 8 can still realize the sealing of the orifice at the upper end of the opening and closing hole 7 through the sealing ring 31 when the dead angle of the doctor blade 24 is clean.
The sealing ring 31 is sleeved with a sealing sleeve 32 matched with the sealing ring 31, the sealing sleeve 32 is made of rubber, and the sealing performance of the sealing sleeve 32 when the sealing ring 31 seals the opening at the upper end of the opening 7 can be further improved.
Be equipped with a rubber sleeve 19 that is located the limiting plate 17 top in the swivelling chute 13, 19 outer walls of rubber sleeve are equipped with one and are annular embedding portion 20, and swivelling chute 13 upper end notch inner wall is equipped with one and 20 assorted caulking grooves 21 of embedding portion, and the existence of rubber sleeve 19 can effectively improve the leakproofness between rotary rod 15 and the swivelling chute 13 to avoid rivers downward seepage to bearing 18 position, avoid the outside condition of seepage of rivers simultaneously.
The upper surface of the rubber sleeve 19 is provided with an annular outer supporting groove 33, the outer supporting groove 33 is wide at the top and narrow at the bottom, a supporting piece 34 matched with the outer supporting groove 33 is arranged in the outer supporting groove 33, the upper end surface of the supporting piece 34 is provided with an annular water inlet groove 35, the water inlet groove 35 is wide at the top and narrow at the bottom, the inner wall of the water inlet groove 35 is provided with a plurality of water through holes 36 which are uniformly distributed, the water inlet groove 35 is communicated with the outer supporting groove 33 through the water through holes 36, the existence of the supporting piece 34 can still ensure the strength of the rubber sleeve 19 after the rubber sleeve 19 is pulled out of the outer supporting groove 33, the sealing effect of the rubber sleeve 19 is ensured, the water pressure in the water inlet groove 35 can be continuously increased along with the continuous entering of the water flow into the water inlet groove 35 of the supporting piece 34, the high-pressure water flow can outwards extrude the wall of the outer supporting groove 33 through the water through holes 36, at the time, the rubber sleeve 19 can expand outwards, the inner wall of the rubber sleeve 19 is further attached to the outer wall of the rotating rod 15, the sealing between the rotating rod 15 and the rubber sleeve 19 is further improved.
The outer edge of the lower end of the rotary seat 12 extends outwards to form a positioning plate 37 which is attached to the lower surface of the valve body 1, and the positioning plate 37 can ensure that the rotary seat 12 rotates to the position when being in threaded connection with the threaded hole 11, so that the doctor blade 24 can reach the actually required position, and the cleaning effect of the doctor blade 24 is ensured.
The center of the lower end face of the rotating rod 15 is provided with a lower screw hole 38, the center of the upper surface of the lower limiting head 16 is provided with a lower screw joint 39 screwed with the lower screw hole 38, the lower limiting head 16 can be separated from the lower end of the rotating rod 15 only by screwing the lower screw joint 39 out of the lower screw hole 38, and the rotating rod 15 is upwards separated from the rotating base 12 at the moment, so that the rotating rod 15 and the rotating base 12 can be conveniently disassembled.
Claims (8)
1. The utility model provides a prevent blockking up automatically cleaning stop valve, includes the valve body, locate the left water supply connector of valve body and locate the water connectors on valve body right side, be equipped with the baffle in the valve body, the baffle separates the valve body inner space for the intake antrum that link up mutually with the water supply connector, go out the water cavity that link up mutually with the water connectors, the baffle center is equipped with opens the obturator hole, go out the intracavity and be equipped with the valve clack that is located the baffle top, valve clack upper surface center is equipped with the valve rod, the valve rod upper end upwards is worn out to the valve body outside and is equipped with the hand wheel, its characterized in that: the lower surface of the valve body is provided with a threaded hole communicated with the water inlet cavity, and the threaded hole is coaxial with the opening and closing hole; a rotating seat matched with the threaded hole is screwed in the threaded hole; a rotary groove is formed in the center of the upper surface of the rotary seat; the center of the lower surface of the rotating seat is provided with a rotating hole communicated with the rotating groove, and the diameter of the rotating hole is smaller than that of the rotating groove; a rotating rod coaxial with the rotating groove is arranged in the water inlet cavity; the lower end of the rotating rod sequentially penetrates through the rotating groove and the rotating hole downwards and is provided with a lower limiting head which is attached to the lower surface of the rotating seat; a limiting plate positioned in the rotating groove is arranged on the rotating rod; a bearing sleeved outside the rotating rod is arranged between the limiting plate and the bottom of the rotating groove; a rubber sleeve positioned above the limiting plate is arranged in the rotating groove; the outer wall of the rubber sleeve is provided with an annular embedding part; an embedding groove matched with the embedding part is formed in the inner wall of the notch at the upper end of the rotating groove; the upper end of the rotating rod penetrates upwards into the opening and closing hole and is provided with a fixed sleeve; the outer wall of the fixed sleeve is provided with a plurality of rotating arms which are uniformly distributed in the circumferential direction, and the outer ends of the rotating arms are provided with scraping blades which are contacted with the inner wall of the opening and closing hole; the outer wall of the rotating rod is provided with a spiral drainage groove.
2. The anti-clogging self-cleaning stop valve of claim 1, wherein: a clamping seat is arranged outside the upper part of the rotating rod; the fixed sleeve is sleeved outside the rotating rod and is positioned right above the clamping seat; an upper limiting head which is attached to the upper end face of the fixing sleeve is arranged above the rotating rod; an upper screw hole is formed in the center of the upper end face of the rotating rod; the center of the lower surface of the upper limiting head is provided with an upper screw joint which is in screw connection with the upper screw hole; the upper limiting head presses the fixed sleeve tightly on the upper surface of the clamping seat.
3. An anti-clogging self-cleaning stop valve according to claim 2, characterized in that: the outer wall of the lower part of the clamping seat is provided with a conical surface which is wide at the top and narrow at the bottom.
4. The anti-clogging self-cleaning shut-off valve according to claim 1, wherein: the lower surface of the valve clack is provided with an annular sealing ring, the sealing ring encloses the orifice at the upper end of the opening and closing hole, and the lower end surface of the sealing ring is attached to the upper surface of the partition plate; the upper end of the scraping piece penetrates out of the orifice at the upper end of the opening and closing hole upwards, and the lower end of the scraping piece penetrates out of the orifice at the lower end of the opening and closing hole downwards.
5. An anti-clogging self-cleaning stop valve according to claim 4, wherein: and a sealing sleeve matched with the sealing ring is sleeved outside the sealing ring, and the sealing sleeve is made of rubber.
6. The anti-clogging self-cleaning shut-off valve according to claim 1, wherein: the upper surface of the rubber sleeve is provided with an annular outer supporting groove which is wide at the top and narrow at the bottom; a supporting piece matched with the outer supporting groove is arranged in the outer supporting groove; the upper end surface of the supporting piece is provided with an annular water inlet groove which is wide at the upper part and narrow at the lower part; the inner wall of the water inlet tank is provided with a plurality of water through holes which are uniformly distributed, and the water inlet tank is communicated with the outer supporting tank through the water through holes.
7. The anti-clogging self-cleaning shut-off valve according to claim 1, wherein: and a positioning plate which is attached to the lower surface of the valve body extends outwards from the outer edge of the lower end of the rotating seat.
8. The anti-clogging self-cleaning shut-off valve according to claim 1, wherein: a lower screw hole is formed in the center of the lower end face of the rotating rod; and the center of the upper surface of the lower limiting head is provided with a lower screw joint which is in screw connection with the lower screw hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122946533.7U CN216519619U (en) | 2021-11-26 | 2021-11-26 | Anti-blocking self-cleaning stop valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122946533.7U CN216519619U (en) | 2021-11-26 | 2021-11-26 | Anti-blocking self-cleaning stop valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216519619U true CN216519619U (en) | 2022-05-13 |
Family
ID=81463995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122946533.7U Active CN216519619U (en) | 2021-11-26 | 2021-11-26 | Anti-blocking self-cleaning stop valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216519619U (en) |
-
2021
- 2021-11-26 CN CN202122946533.7U patent/CN216519619U/en active Active
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